A randomized 25 question test from a pool of 761 questions, good luck!
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that the scanner module receives information communicated digitally from up to 63 supported devices?
There are several data access methods used to transmit data. Which of the answers below can be described as a method that the responding device cannot initiate any communication independently?
Using the table provided, which answer best represents the letter"H" in hexadecimal?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the switch interacts with?
Which of the answers below best represents the additional requirements to allow protocol conversion?
There are several layer within the a typical DCS., each with it's own responsibilities. Which of the levels below is responsible for the seamless merging of process control information and managing the business side of production?
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a coils would use?
There are several data access methods used to transmit data. Which of the answers below can be described as a single controlling device commences communication with the responding devices attached to the same network?
In the protocol specifications of Modbus, there are 5 and 6 digit addresses, each address starting with a specific number for the register type. Which number below starts the holding registers addresses?
Parameter settings program the behavior of the function block. Which of the parameters below can be described as one that transmits data to another block?
The data transmission in FDX mode travels in _____ direction(s)? Choose the best answer from the ones provided to fill in the blank
There are several common components of signal converters. Which one is best described as connecting the input signal of one device, with the converter itself?
Which of the answers below is not an advantage of digital communications to field devices?
The wired Ethernet transmission standards are defined by the OSI model layers. Which of the answers below is one of those defining layers?
Software for programming or configuration is an integral part of any HMI. Which of the interfaces below can be best described as allowing the operators to interact with the GUI?
The addition of BCC to the message frame increases the efficiency of detecting errors in transmissions. which one of the error check systems employs a calculated total by the receiver in comparison to the total of the received data?
Which of the answers below best describes the role of a modem in a signal transmission system?
Which answer below best describes the result of electromagnetic interference in a transmission medium?
In IPv4, there are a range of protocols that can be used at any one time. Which of the protocols below would be best suited for sensitive data transmission?
Communication that is wireless in a SCADA system is common. Which of the communication methods below would be best defined as one that is limited to 10 km or less?
DCS commonly is considered a computerised control system for a plant that has central operator supervisory control. Which of the terms below is best described as controllers and operator stations that are separated physically from the central control system?
The biggest register that Modbus supports is 16-bit. Which of the terms below is used for the process to support 32-bit data?
Which of the connectors below is best suited for environments with vibration?
IPv4 addresses are expressed in four components. Which of the terms below is used to name those four components?
Of all the ways to relate the speed of serial communication, which of the answers below is not one? Choose the answer that best applies.